import java.util.*;

public class Classroom {
    Scanner input = new Scanner(System.in);
    public static String[] fen = new String[8];

    public void score(String[] arr) {
        int c = 0;
        for (int j = 1; j <= 4; j++) {
            for (int i = 0; i < arr.length; i++) {

                System.out.println("第" + j + "周" + arr[i] + "评分为（A/B/C）");
                try {
                    String a = input.next();

                    if (a.equals("A") || a.equals("B") || a.equals("C")) {

                        fen[c] = a;
                        c++;
                    } else {
                        System.out.println("输入错误");
                        i--;
                    }

                } catch (Exception e) {
                    System.out.println("有错误");
                }
            }
        }

    }

}